Komatsuhydraulic excavatorsmall ( - pc90)
Komatsu PC75R-2(S/N 22E5200763-Up)
Maintenance schedule, common problems & OEM parts breakdown
The Komatsu PC75R-2 is a midi-class crawler hydraulic excavator manufactured from 1999 to 2007. It is powered by a Komatsu 4D98E-1FB diesel engine delivering 51 kW (68 hp) net power. The machine operates in a weight range of 7.16 to 7.95 metric tons (15,785 to 17,527 lb), depending on the configuration. It features a Closed Load Sensing System (CLSS) hydraulic circuit and is available with monoboom or two-piece boom options, short or long digging arms, and track widths of 450, 500, or 600 mm, or 450 mm rubber tracks. The PC75R-2 succeeded the PC75-1 and was later replaced by the PC78MR-6 in Komatsu's midi excavator lineup.
Across its production life, the PC75R-2 saw updates to its emissions compliance and hydraulic system tuning to meet evolving regional standards. The machine remains significant in the used and parts market due to its compact dimensions, which allow access to tight spaces, and its robust CLSS hydraulic system that provides precise control. Its widespread use in landscaping, utility work, and construction has created a large aftermarket support network for undercarriage parts, hydraulic components, and engine rebuild kits, making it a cost-effective option for fleet expansion or replacement.
Below: full specifications, fluids & capacities, the factory service schedule, common service parts, verified fault codes, what owners discuss, attachment guidance, the complete assembly directory, and a serial-number reference. Complete parts lists with full OEM part numbers, exploded diagrams, quantities, and fitment data are available free in Heavy Parts AI.
Komatsu PC75R-2(S/N 22E5200763-Up) specifications
Engine
| Model | Komatsu 4D98E-1FB |
| Gross Power | 50 kW (67 hp) |
| Net Power | 51 kW (68 hp) |
| Displacement | 3.3 L |
| Cylinders | 6 |
| Emissions Tier | Not documented for this exact serial range — verify with your dealer |
Weights
| Operating Weight | 7,160–7,950 kg (15,785–17,527 lb) |
| Ground Pressure | Not documented for this exact serial range — verify with your dealer |
| Transport Weight | 7,600 kg (16,755 lb) |
Dimensions
| Transport Length | 5.875 m (19 ft 3 in) |
| Transport Width | 2.05 m (6 ft 9 in) |
| Transport Height | 2.69 m (8 ft 9 in) |
| Tail Swing Radius | Not documented for this exact serial range — verify with your dealer |
| Track Shoe Width | 450 mm |
| Ground Clearance | Not documented for this exact serial range — verify with your dealer |
| Undercarriage Length | Not documented for this exact serial range — verify with your dealer |
Performance
| Max Dig Depth | 4.25 m (13 ft 8 in) |
| Max Reach at Ground | 7.77 m (25 ft 5 in) |
| Max Dump Height | Not documented for this exact serial range — verify with your dealer |
| Max Cutting Height | Not documented for this exact serial range — verify with your dealer |
| Swing Speed | 10.2 RPM |
| Travel Speed | Not documented for this exact serial range — verify with your dealer |
| Gradeability | Not documented for this exact serial range — verify with your dealer |
| Drawbar Pull | Not documented for this exact serial range — verify with your dealer |
Forces
| Bucket Digging Force | Not documented for this exact serial range — verify with your dealer |
| Stick/Arm Digging Force | Not documented for this exact serial range — verify with your dealer |
Service capacities (summary)
| Fuel Tank | Not documented for this exact serial range — verify with your dealer |
| Hydraulic System/Tank | Not documented for this exact serial range — verify with your dealer |
| Engine Oil | Not documented for this exact serial range — verify with your dealer |
| Cooling System | Not documented for this exact serial range — verify with your dealer |
Values vary by configuration, region, and serial range — confirm against your machine before planning transport or lifts.
Komatsu PC75R-2(S/N 22E5200763-Up) maintenance schedule
| Service interval | Tasks |
|---|---|
| Every 10 h |
|
| Every 250 h |
|
| Every 500 h |
|
| Every 1,000 h |
|
| Every 2,000 h |
|
Servicing the PC75R-2(S/N 22E5200763-Up) beyond the schedule
Predictive Maintenance & Fluid Analysis
Monitor hydraulic oil condition using Komatsu KOWA analysis to detect wear metals and contamination in the CLSS system. Check the hydraulic tank oil level daily and sample every 500 hours. Inspect the pilot filter element at 1,000 hours; a clogged filter indicates potential pump wear. Analyze engine oil for soot and fuel dilution to determine optimal drain intervals for the 4D98E-1FB engine. Track undercarriage wear by measuring link pitch and roller diameter to predict replacement needs before failure.
Corrective & Common Repairs
Address hydraulic hose leaks by inspecting ORFS couplings for damage during routine checks. Replace the fuel filter separator if water accumulation is frequent to protect the 4D98E-1FB injection system. Repair or replace worn track shoes and idlers to maintain proper track tension and prevent derailment. Fix hydraulic pump case drain leaks by replacing seal kits if case drain flow exceeds specification. Diagnose electrical faults using Komatsu fault codes to locate issues in the ECM, sensors, or wiring harnesses.
Overhaul & Rebuild Points
Rebuild the main hydraulic pump when case drain flow exceeds limits or pressure relief settings cannot be maintained. Overhaul the swing motor if excessive backlash or loss of holding power occurs. Replace the engine piston rings and valves if compression drops below specification or oil consumption increases significantly. Inspect the swing bearing for pitting or cracking; replace if play exceeds allowable limits. Rebuild the travel motors if slippage or reduced travel speed persists after adjusting relief valves.
Seasonal & Environment Servicing
In cold weather, use Komatsu Super Coolant AF-NAC with appropriate antifreeze concentration to prevent freezing. Warm up the hydraulic system by idling the engine and operating all functions slowly before heavy work. In dusty environments, check the air cleaner restriction indicator more frequently and clean the radiator fins daily. In high-humidity areas, drain the fuel filter separator more often to prevent water contamination. Inspect the cooling system for leaks and ensure the fan belt tension is correct to prevent overheating in hot climates.
PC75R-2(S/N 22E5200763-Up) common service parts
| Part number | Part | Notes | |
|---|---|---|---|
| YM102103-55520 | O-Ring,(For Fuel Filter) | Fuel system service | Check fitment → |
| YM129470-55610 | Body, Fuel Filter | Fuel system service | Check fitment → |
| 21D-60-11170 | Oil Filter, Assembly | Lubrication service | Check fitment → |
| 226-60-11120 | Intake Oil Filter | Lubrication service | Check fitment → |
| YM121850-55710 | Element | Scheduled service item | Check fitment → |
Always confirm against your machine's serial number — cross-check any part in Heavy Parts AI before ordering.
PC75R-2(S/N 22E5200763-Up) fault codes & troubleshooting
| Code | Meaning | Likely cause | What to do |
|---|---|---|---|
| CA115 | Engine crankshaft speed sensor failure | Faulty speed sensor, broken wiring, or corroded connector at the pin connector. | Replace the speed sensor and verify voltage at the pin connector. |
| CA111 | Internal engine controller fault | Critical internal failure of the Electronic Control Module (ECM). | Replace or reprogram the ECM. |
| CA441 | Battery voltage too low | Weak battery, failing alternator, or loose connections. | Replace the alternator or battery; check the voltage regulator. |
| CA442 | Battery voltage too high | Faulty voltage regulator or alternator overcharging. | Replace the alternator or battery; check the voltage regulator. |
| CA122 | Intake air pressure high voltage | Malfunction in the intake pressure sensor or actual overpressure condition. | Verify the intake pressure sensor and wiring. |
| CA123 | Intake air pressure low voltage | Sensor short or airflow restriction. | Check for a sensor short or an airflow restriction. |
| CA153 | Intake air temperature sensor error | Faulty Intake Air Temperature (IAT) sensor. | Replace or test the IAT sensor. |
| CA154 | Intake air temperature sensor error | Faulty Intake Air Temperature (IAT) sensor. | Replace or test the IAT sensor. |
| CA428 | Fuel moisture sensor invalid voltage | Contaminated fuel supply or faulty moisture sensor harness. | Ensure a clean fuel supply, and check the moisture sensor harness. |
| CA429 | Fuel moisture sensor invalid voltage | Contaminated fuel supply or faulty moisture sensor harness. | Ensure a clean fuel supply, and check the moisture sensor harness. |
Codes and remedies are general guidance for this model family — always confirm with diagnostic tooling and your dealer before major repairs.
PC75R-2(S/N 22E5200763-Up) attachments & work tools
Buckets
Factory specifications list a standard bucket capacity of 0.13 to 0.46 m³ (0.17 to 0.60 cu yd) for the PC75R-2. The primary work tool bucket has a capacity of 0.25 m³ (0.33 cu yd) and a width of 0.8 m (2.6 ft). Attachments are available for low-impact materials like dirt and loam, as well as abrasive mixed dirt and rock configurations.
Hydraulic hammers
The machine is equipped with a CLSS (Closed Load Sensing System) hydraulic circuit that allows for adjustable flow-rate and pressure to support auxiliary tools. The standard hydraulic flow rate is 44.1 GPM (167 L/min), which aligns with the medium-flow class of hydraulic breakers suitable for a 7.16 to 7.95 t (7.9 to 8.8 short ton) operating weight excavator.
Quick couplers
The PC75R-2 supports both hydraulic quick hitch and mechanical quick hitch configurations. The machine's compact dimensions and reduced track gauge are designed to facilitate transport and maneuverability while utilizing these attachment systems.
Thumbs/grapples
The PC75R-2 is designed as a multipurpose machine capable of accepting various attachments including grapples and thumbs. The adjustable auxiliary hydraulic lines allow for the connection of specialized tools such as clamsheel buckets and material handling grapples.
Rippers
Single tooth excavator rippers are listed as available attachment options for the PC75R-2. The machine's high reserve torque and digging depth of 4.25 m (13.9 ft) support ripper applications in compacted soil or rock.
Hydraulic-kit notes
The PC75R-2 utilizes a CLSS hydraulic system with two selectable power modes: 'Power' and 'Economy'. The auxiliary lines feature adjustable flow-rate and pressure settings to accommodate different attachment specifications. The system uses ORFS couplings for hydraulic hoses to ensure seal integrity and ease of replacement.
All PC75R-2(S/N 22E5200763-Up) assemblies by section
Every catalogued assembly group for the Komatsu PC75R-2(S/N 22E5200763-Up). Open an assembly to preview the parts inside — full OEM part numbers are available in Heavy Parts AI.
Control System And Revolving Frame
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Counter Weight (Optional)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***90 | Bolt | 3 |
| 01***10 | Bolt (Itl) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Fuel Control Lever
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (2nd Boom Ppc Valve Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 14***10 | Pedal Cap | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Arm And Swing Ppc Valve Line) (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Screw | 4 |
| 21***80 | Union | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Arm And Swing Ppc Valve Line) (2/2)
| 21***60 | O-Ring | 2 |
| 21***50 | Hose | 1 |
| 21***60 | Hose | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Blade Valve Line)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 21***30 | Nut | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom And Bucket Ppc Valve Line) (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***20 | Screw | 4 |
| 21***80 | Union | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom And Bucket Ppc Valve Line) (2/2)
| 21***10 | Union Tee | 1 |
| 21***60 | O-Ring | 3 |
| 21***30 | Hose | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Boom Swing Ppc Valve Line)
| 01***30 | Bolt,(For Mechanical Governor) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Travel Ppc Line) (1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
| 21***30 | Elbow | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Hydraulic Piping (Travel Ppc Line) (2/2)
| 21***80 | Union | 2 |
| 21***70 | Union | 1 |
| 21***50 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Revolving Frame
| 01***60 | Bolt, Mount Pole | 4 |
| 22***10 | Rubber | 1 |
| 22***10 | Counter Weight | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Control System And Revolving Frame : Servocontrol System Starting Lever
| 01***35 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 21***30 | Switch | 1 |
| 21***20 | Nut | 1 |
Engine
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Air Intake Manifold
| YM***00 | Manifold,Air Intake | 1 |
| YM***21 | Gasket (Kit) | 1 |
| YM***52 | Screw | 9 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Camshaft And Driving Gear
| YM***00 | Idle Gear Ass'Y | 1 |
| YM***00 | Tappet Rod | 8 |
| YM***50 | Bearing, Thrust | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Cooling Water System
| 21***60 | Water Temperature Transmitter (Instrument) | 1 |
| YM***40 | Fan, Cooling | 1 |
| YM***90 | Valve,Water Drain | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Crankshaft And Piston
| YM***50 | Ring Set (+0.25 mm) | 4 |
| YM***00 | Crankshaft, Assembly | 1 |
| YM***80 | Flywheel, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Cylinder Block
| YM***60 | Cylinder Block, Assembly | 1 |
| YM***00 | Screw | 18 |
| YM***00 | Main Metal Ass'Y (Std) | 5 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Cylinder Head
| 22***00 | Engine, Assembly | 1 |
| YM***80 | Retainer, Spring | 8 |
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Engine Stop Device
| YM***00 | Pin, Cotter | 2 |
| YM***20 | Link | 1 |
| YM***00 | Coil | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Exhaust Manifold And Muffler
| YM***02 | Bolt Plated | 2 |
| YM***00 | Muffler | 1 |
| YM***02 | Nut | 6 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Feed Pump
| YM***40 | Gasket | 4 |
| YM***60 | O-Ring | 2 |
| YM***00 | Screw | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Flywheel - Lubricating Oil Sump
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Fuel Injection Line
| YM***02 | Bolt Plated | 1 |
| YM***50 | Nozzle | 4 |
| YM***40 | Injection Pipe N. 4 | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Fuel Injection Pump
| YM***00 | Segment | 4 |
| YM***00 | Gasket Disc | 4 |
| YM***20 | Valve,Delivery | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Fuel Line
| YM***02 | Screw | 1 |
| YM***90 | Pipe L=500 | 2 |
| YM***10 | Banjo Fitting | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Gasket Set
| YM***40 | Seal,Valve? Exhaust (Kit) | 4 |
| YM***01 | Gasket (Kit) | 2 |
| YM***70 | O-Ring (Kit) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Gear Housing
| YM***02 | Bolt Plated | 3 |
| YM***02 | Screw | 10 |
| YM***02 | Screw | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Generator
| YM***41 | Cover, Rear | 1 |
| YM***50 | Cable | 1 |
| YM***80 | Pulley | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Governor
| YM***40 | Screw | 2 |
| YM***00 | Nut | 1 |
| YM***00 | Screw | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Lubricating Oil Pump
| YM***40 | Stud | 1 |
| YM***81 | Retainer | 1 |
| YM***50 | Oil Pressure Transmitter | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine : Starter Motor
| YM***80 | Holder Brush, Assembly | 1 |
| YM***10 | Retainer | 1 |
| YM***20 | Shift Lever Ass'Y | 1 |
Engine Related Parts And Electrical System
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Air Cleaner And Mounting
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(Forwarded Individually Parts) | 8 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 10 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Battery
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Dashboard, R.H.
| 20***30 | Starting Switch,Starting | 1 |
| 21***10 | Bulb | 9 |
| 21***20 | Switch, Fan-Light | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Electrical System (Engine Line)
| 01***30 | Bolt | 2 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Electrical System (Fuse And Line)
| 01***16 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
| 21***10 | Connector | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Electrical System (Light And Service Line) (1/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
| 21***60 | Reflex Reflector | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Electrical System (Light And Service Line) (2/2)
| 01***14 | Bolt | 2 |
| 01***20 | Bolt,(Without Maintenance Monitor) | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Engine Mounting Parts
| 01***40 | Bolt | 4 |
| 01***35 | Screw | 16 |
| 01***60 | Flat Washer - M20 (Hardened) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Fuel Piping (1/2)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 6 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Fuel Piping (2/2)
| 01***70 | Bolt (Op) | 1 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
| 21***81 | Cock | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Left Dashboard
| 21***30 | Screw | 5 |
| 21***30 | Screw | 3 |
| 21***10 | Screw | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Muffler And Piping
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***20 | Bolt | 3 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Power Take Off
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Screw | 12 |
| 21***80 | Washer,Spring | 12 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Radiator
| 01***20 | Bolt,(Without Maintenance Monitor) | 4 |
| 01***60 | Bolt, Tube To Oil Cooler | 2 |
| 01***40 | Screw | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Engine Related Parts And Electrical System : Self Fuel Supply Pump
| 01***14 | Bolt | 4 |
| 01***23 | Washer,(With Auto Emergency Steering) | 4 |
| 21***80 | Filter | 1 |
Guard And Operator'S Cab
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (1/6)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***25 | Bolt,See Fig. K4010-65a0 | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (2/6)
| 01***04 | Nut,(For Air Conditioner Less) | 4 |
| 01***08 | Washer,(For Fixed Type Ripper) | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (3/6)
| 01***25 | Bolt,(For Automatic) | 1 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 10 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 9 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (4/6)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 4 |
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (5/6)
| 21***40 | Ring, Snap | 8 |
| 21***30 | Spacer | 16 |
| 21***10 | Roof Hatch, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Cabin (6/6)
| 21***10 | Screw | 4 |
| 21***20 | Screw | 4 |
| 21***40 | Screw | 16 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Control Valve Side Cover
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***40 | Screw | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Electrical System (Operator'S Cab)
| 01***30 | Bolt | 1 |
| 01***14 | Screw | 3 |
| 01***04 | Nut,(For Air Conditioner Less) | 3 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Engine Side Cover
| 01***20 | Bolt,(With Auto Emergency Steering) | 6 |
| 01***40 | Bolt,(With Air Conditioner) | 4 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Floor Plate (1/2)
| 01***25 | Bolt,Without Revolution Sensor | 10 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 2 |
| 01***10 | Bolt (Itl) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Floor Plate (2/2)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 4 |
| 01***06 | Nut,(With Back-Up Alarm) (Op), Nut; Was 01580-10806 | 8 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Heating System (1/2)
| 01***16 | Bolt, Mount Washer Tank To Bracket, Bolt | 2 |
| 01***20 | Bolt,(With Auto Emergency Steering) | 1 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Heating System (2/2)
| 21***60 | Hose-Clamp | 1 |
| 21***60 | Hose-Clamp | 5 |
| 21***10 | Air Intake | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : L.H. And R.H. View Mirror (Optional)
| 01***20 | Screw | 4 |
| 01***25 | Screw | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Operator'S Cab (Equipment)
| 01***25 | Bolt,Without Revolution Sensor | 2 |
| 01***05 | Nut,(For Air Conditioner Less), Nut | 2 |
| 01***23 | Washer,(With Auto Emergency Steering) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Operator'S Seat
| 01***14 | Screw | 4 |
| 01***80 | Screw | 2 |
| 21***60 | Washer,Spring | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Revolving Frame Under Cover
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 25 |
| 01***32 | Washer,(With Auto Emergency Steering) | 25 |
| 21***60 | Gasket | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Sound-Proofing
| 21***20 | Rabbet | 37 |
| 21***30 | Sheet | 1 |
| 21***80 | Sheet | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Guard And Operator'S Cab : Top And Front Guard (Cab)
| 01***55 | Bolt, Mount Tube To Switch Pump | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***65 | Bolt, Mount Radiator To Frame (Bottom) | 2 |
Mark Plate
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Mark Plate : Mark Plate
| 22***40 | Mark Plate, Lifting Capacity (With 1-Piece Boom) | 1 |
| 22***50 | Mark Plate, Lifting Capacity (With 2-Piece Boom) | 1 |
| 22***80 | Mark Plate, Hammer - Rotating And Cutting Shovel | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Mark Plate : Tools
| 21***70 | Wrench | 1 |
| 21***40 | Wrench, Strainer | 1 |
| 21***50 | Fitting | 1 |
Swing Circle And Final Drive
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Swing Circle And Final Drive : Swing Circle
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***80 | Bolt,(For Adjustable Rod) | 3 |
| 01***90 | Bolt | 36 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Swing Circle And Final Drive : Swing Machinery (1/2)
| 04***12 | Ring, Snap (4) | 6 |
| 07***65 | Seal,Oil Output Shaft | 1 |
| 07***00 | Fitting, Grease (Steering Cylinder) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Swing Circle And Final Drive : Swing Machinery (2/2)
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 10 |
| 01***00 | Bolt, Mount Back-Up Alarm | 12 |
| 01***32 | Washer,(With Auto Emergency Steering) | 12 |
Under Carriage
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Carrier Roller
| 21***10 | Shaft | 1 |
| 21***20 | Collar | 1 |
| 21***40 | Gasket, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Front Idler
| 21***80 | Plug | 1 |
| 21***50 | O-Ring | 2 |
| 21***50 | Spring Pin | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Recoil Spring (For Rubber Shoe)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
| 01***10 | Bolt (Op) | 2 |
| 21***00 | Spring Washer | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Recoil Spring (For Steel Shoe)
| 01***45 | Bolt, Mounting Bracket To Radiator (Top) | 4 |
| 01***10 | Bolt (Op) | 2 |
| 21***00 | Spring Washer | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Sprocket
| 01***40 | Bolt,R.H. Outside And L.H. Inside, Bolt | 24 |
| 01***45 | Bolt,(For Travel Motor) (Not Show) | 24 |
| 21***20 | Washer | 24 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Track Roller
| 01***70 | Bolt, Accumulator Mounting Bracket | 40 |
| 21***80 | Plug | 1 |
| 21***30 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Track Shoe (For Rubber Shoe (L=450)
| 22***60 | Rubber Shoe, Assembly | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Track Shoe (L=450 Mm)
| 01***30 | Bolt,(Tm8072-121) | 2 |
| 21***90 | Screw | 168 |
| 21***10 | Nut | 168 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Track Shoe (L=500 Mm)
| 21***90 | Screw | 168 |
| 21***10 | Nut | 168 |
| 22***31 | R.H. Track Shoe, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Track Shoe (L=600 Mm)
| 21***90 | Screw | 168 |
| 21***10 | Nut | 168 |
| 22***51 | Track Shoe, Assembly | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Under Carriage (For Rubber Shoe)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***10 | Bolt (Itl) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Under Carriage : Under Carriage (For Steel Shoe)
| 01***20 | Bolt,(With Auto Emergency Steering) | 8 |
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 10 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 12 |
Work Equipment
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : 1st Boom
| 01***25 | Bolt,(Without Rops Guard? Canopy) | 2 |
| 21***20 | Bushing | 2 |
| 21***40 | Spacer | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : 2nd Boom
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***10 | Bolt,(Noise Suppression Spec.) | 2 |
| 20***40 | Spacer? 1.0mm | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : 2nd Boom Cylinder, L.H.
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***80 | Nut | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : 2nd Boom Cylinder, R.H.
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***80 | Nut | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Arm Cylinder
| 01***25 | Screw | 8 |
| 01***25 | Bolt,See Fig. K4010-65a0 | 1 |
| 21***10 | Screw | 6 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Arm Cylinder (For 2-Piece Boom)
| 01***25 | Screw | 8 |
| 01***25 | Bolt,See Fig. K4010-65a0 | 1 |
| 21***10 | Screw | 6 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Arm, L=1700 Mm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 4 |
| 21***10 | Bushing | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Arm, L=2100 Mm
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 20***40 | Spacer? 1.0mm | 4 |
| 21***10 | Bushing | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Blade Cylinder
| 01***30 | Screw | 8 |
| 21***90 | Flange | 1 |
| 21***10 | Screw | 12 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Blade L=2050 Mm
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Blade L=2250 Mm
| 01***50 | Bolt,(With Service Valve R.H.) | 2 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Boom
| 01***30 | Bolt,(Not Used With Emergency Str.) | 2 |
| 01***40 | Screw | 1 |
| 20***40 | Spacer? 1.0mm | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Boom Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***70 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Boom Swing Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 12 |
| 21***40 | Bushing | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Bucket
| 21***30 | Bucket, L=500 mm | 1 |
| 21***40 | Bucket, L=400 mm | 1 |
| 21***50 | Bucket, L=300 mm | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Bucket Cylinder
| 01***25 | Screw | 8 |
| 21***10 | Screw | 6 |
| 21***40 | Bushing | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Bucket Link
| 20***40 | Spacer? 1.0mm | 10 |
| 21***20 | Bushing | 2 |
| 21***10 | Bushing | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Attachment Line)
| 21***10 | Union | 2 |
| 21***80 | O-Ring | 1 |
| 21***90 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Arm Side)
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 21***60 | O-Ring | 7 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Boom Side)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***45 | Bolt, Bracket Mounting | 2 |
| 21***80 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (For 2-Piece Boom) (Boom Side)
| 21***80 | O-Ring | 3 |
| 21***90 | O-Ring | 3 |
| 22***60 | Union, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Attachment Line) (Optional Cock)
| 21***60 | O-Ring | 1 |
| 21***80 | O-Ring | 1 |
| 21***90 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Blade Line) (Lower)
| 21***70 | O-Ring | 2 |
| 21***10 | O-Ring ` | 2 |
| 21***70 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping (Fast Coupling Line)
| 20***40 | Spacer? 1.0mm | 4 |
| 21***80 | Pin | 2 |
| 21***80 | Elbow | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Hydraulic Piping Hammer
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***50 | Screw | 4 |
| 01***25 | Bolt, Seal Cover Mounting | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment : Swing Bracket
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 3 |
| 01***40 | Bolt,(With Center Guard) | 2 |
Work Equipment Control System
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (1/7)
| 01***30 | Screw | 34 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 34 |
| 57***20 | O-Ring | 17 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (2/7)
| 07***20 | O-Ring,Cover? Transfer Case | 8 |
| 07***10 | O-Ring,Plate | 7 |
| 07***12 | O-Ring, Divider Valve Mounting | 3 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (3/7)
| 07***20 | O-Ring,Cover? Transfer Case | 1 |
| 07***10 | O-Ring,Plate | 1 |
| 07***34 | O-Ring,(For Front Attachment) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (4/7)
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 4 |
| 07***07 | O-Ring - (K10) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (5/7)
| 07***09 | O-Ring,(For Dual Tilt Dozer) | 1 |
| 07***16 | O-Ring,Suction And Relief Valve | 1 |
| 07***09 | Ring,Back-Up (Kit) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (6/7)
| 07***07 | O-Ring - (K10) | 2 |
| 07***34 | O-Ring,(Not Used When (B) Spec.) | 1 |
| 07***34 | O-Ring,(For Without Brake Assistor) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (7/7)
| 01***30 | Screw | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
| 07***20 | O-Ring,Cover? Transfer Case | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (For 2-Piece Boom)
| 01***30 | Screw | 4 |
| 01***08 | Nut,(For Canvas Canopy?Head Guard) | 4 |
| 01***08 | Washer,(For 1 Attachment And Pat) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Control Valve (Safety Valve)
| 72***00 | Safety Valve | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (2nd Boom Cylinder Line)
| 01***35 | Bolt, Stopper | 2 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (2nd Boom Cylinder Line) (Safety Valve)
| 01***30 | Bolt,(Water Separator Spec.) | 2 |
| 21***30 | Hose-Clamp | 2 |
| 21***70 | O-Ring | 3 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line)
| 01***55 | Bolt,(10m) | 3 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line) (For 2-Piece Boom)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 2 |
| 21***20 | O-Ring | 1 |
| 21***60 | O-Ring | 6 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Arm Cylinder Line) (Safety Valve)
| 01***80 | Bolt,(For Long Lever Control) | 4 |
| 01***30 | Screw | 4 |
| 21***60 | Hose-Clamp | 20 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Blade Line) (Upper)
| 21***70 | O-Ring | 2 |
| 21***30 | O-Ring | 1 |
| 21***70 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line)
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 8 |
| 21***60 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (Safety Valve)
| 01***25 | Screw | 4 |
| 01***30 | Screw | 8 |
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Boom Cylinder Line) (With 2-Piece Boom)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 2 |
| 01***25 | Bolt, Mount Engine Oil Drain To Fuel Tank | 4 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 8 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Boom Swing Line)
| 21***60 | Hose-Clamp | 1 |
| 21***70 | O-Ring | 1 |
| 21***30 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line)
| 01***20 | Bolt, Hose Clamps (Inlet And Return Line Hoses) | 1 |
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 4 |
| 01***35 | Bolt, Mount Bracket To Floor | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (For 2-Piece Boom)
| 01***30 | Bolt - Lower Oil Cooler Outlet Tubemounting | 8 |
| 01***35 | Bolt, Mount Bracket To Floor | 4 |
| 21***60 | O-Ring | 5 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (Safety Valve) : Unit_02_of_02
| 21***60 | O-Ring | 2 |
| 21***70 | O-Ring | 2 |
| 21***70 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Bucket Cylinder Line) (Safety Valve) : Unit_01_of_02
| 21***60 | O-Ring | 2 |
| 21***70 | O-Ring | 2 |
| 21***70 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Delivery Line)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***35 | Bolt,R.H. Outside And L.H. Inside | 3 |
| 01***35 | Screw | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Drain Line) (1/2)
| 21***30 | Elbow | 2 |
| 21***50 | Union | 1 |
| 21***30 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Drain Line) (2/2)
| 21***90 | Union | 1 |
| 21***50 | Union | 1 |
| 21***50 | Elbow | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Mode System - Load Sensing)
| 21***90 | Union | 1 |
| 21***20 | Elbow | 1 |
| 21***10 | O-Ring | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Oil Cooler And Return Line)
| 21***60 | Union | 1 |
| 21***40 | Elbow | 1 |
| 21***40 | Union | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Overload Sensor Line)
| 01***50 | Screw | 2 |
| 01***08 | Washer,(For Fixed Type Ripper) | 2 |
| 21***00 | Elbow | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Ppc Valve Delivery Line)
| 01***20 | Bolt,(With Auto Emergency Steering) | 2 |
| 01***20 | Screw | 4 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Ppc Valve Return Line)
| 01***16 | Bolt (With Air Heater & Conditioner) | 2 |
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***23 | Washer, Wiring Harness Mounting Bracket | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Suction Line)
| 01***20 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 01***35 | Bolt, Bolt, Mount Tubes To Switch And Work Pumps | 4 |
| 01***35 | Screw | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Swing Motor Line)
| 21***90 | Union | 1 |
| 21***70 | O-Ring | 1 |
| 21***30 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Travel Line) (1/2)
| 21***70 | O-Ring | 4 |
| 21***30 | O-Ring | 1 |
| 21***70 | O-Ring | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Travel Line) (2/2)
| 21***20 | O-Ring | 1 |
| 21***70 | O-Ring | 2 |
| 21***70 | O-Ring | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Piping (Travel Speed)
| 21***90 | Union | 1 |
| 21***40 | Elbow | 2 |
| 21***60 | Union | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Pump (1/4)
| 01***35 | Bolt, Mount Ground Driven Steering Pump | 2 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 2 |
| 04***12 | Ring, Snap | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Pump (2/4)
| 01***05 | Nut,(For Air Conditioner Less), Nut | 1 |
| 04***18 | Bolt,(With Main Clutch Cooler) (D60p) | 1 |
| 07***23 | O-Ring,(For 2nd Travel Speed) (Op) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Pump (3/4)
| 04***20 | Ring, Snap | 1 |
| 70***80 | Cylinder Block, Assembly | 1 |
| 70***60 | Spacer | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Pump (4/4)
| 01***06 | Nut | 1 |
| 70***40 | Pc Valve, Assembly | 1 |
| 70***30 | Ls Valve, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Hydraulic Tank
| 01***25 | Bolt,(For Canvas Canopy?Head Guard) | 8 |
| 01***30 | Bolt,(Not Used With Emergency Str.) | 4 |
| 01***32 | Washer,(With Auto Emergency Steering) | 8 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve (For Travel) (1/2)
| 01***30 | Bolt,(With Body Positioner) | 4 |
| 01***45 | Screw | 4 |
| 01***16 | Screw (Without Radio) (1) | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve (For Travel) (2/2)
| 01***16 | Bolt - Seat And Tether Belt Mounting | 4 |
| 01***55 | Screw | 2 |
| 01***12 | Screw | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve (Work Equipment)
| 01***20 | Bolt,(Without Air Con. Or Heater) | 4 |
| 07***70 | O-Ring,(For Intake Air Cover) | 1 |
| 07***20 | O-Ring,(0202-007) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve For Blade, Boom Swing, 2-Piece Boom
| 01***25 | Screw | 2 |
| 70***40 | Ppc Valve | 1 |
| 70***40 | Shim - 0.012 In. (0.30 mm) | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve, L.H.
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***08 | Nut (Op) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Ppc Valve, R.H.
| 01***30 | Bolt,(With Body Positioner) | 1 |
| 01***08 | Nut (Op) | 2 |
| 01***32 | Washer,(With Auto Emergency Steering) | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Servocontrol Feed Unit
| 01***16 | Screw | 2 |
| 01***25 | Screw | 2 |
| 01***40 | Screw | 4 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Swing Motor (1/2)
| 04***18 | Ring,Snap (Itl) | 1 |
| 70***81 | Swing Motor, Assembly | 1 |
| 70***50 | Engine, Assembly | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Swing Motor (2/2)
| 07***34 | O-Ring,(For Front Attachment) | 2 |
| 70***41 | Safety Valve | 2 |
| 70***10 | Plug | 2 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Swivel Joint
| 01***30 | Bolt,(For Quick Shift) (Mitsubishi) | 2 |
| 21***30 | Spring Washer | 2 |
| 21***40 | Fitting | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Swivel Joint (Mounting Parts)
| 01***30 | Bolt,(Not Used With Emergency Str.) | 3 |
| 01***40 | Bolt,(With Service Valve R.H.) | 4 |
| 01***32 | Washer,(Not Used With Emergency Str.) | 7 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Travel Motor (1/2)
| 01***30 | Screw | 8 |
| 04***93 | Ball,Steel | 2 |
| 06***03 | Bearing,Ball | 1 |
Komatsu : Pc75r-2(S/N 22e5200763-Up) : Work Equipment Control System : Travel Motor (2/2)
| 04***12 | Ring, Snap (4) | 3 |
| 04***52 | Ball,Detent | 1 |
| 07***07 | O-Ring - (K10) | 2 |
PC75R-2(S/N 22E5200763-Up) serial number reference
The serial plate is riveted to the right-hand side of the cab on the lower frame, typically just behind the front idler or beneath the operator's window. The prefix is the first 10 characters of the 17-character ISO PIN stamped on the emissions/export plate; for this range, the prefix is '22E5200763'.
| Prefix | Identifies | Notes |
|---|---|---|
| 22E5200763 | PC75R-2 | Start of serial range for this specific shop manual and parts catalog variant. Production years approximately 2001–2007. Engine: Komatsu 4D98E-1FB (3.3 L, 67 hp / 51 kW). Region: Export/International (non-USA). Configuration: Standard midi excavator. |
Frequently asked questions
What engine does the Komatsu PC75R-2 use?
The Komatsu PC75R-2 uses a Komatsu 4D98E-1FB diesel engine with a net power output of 51 kW (68 hp).
What is the operating weight of the Komatsu PC75R-2?
The operating weight of the Komatsu PC75R-2 varies by configuration, ranging from 7.16 to 7.95 metric tons (15,785 to 17,527 lb).
What model replaced the Komatsu PC75R-2?
The Komatsu PC78MR-6 replaced the PC75R-2 in Komatsu's midi excavator lineup.
What PC75R-2(S/N 22E5200763-Up) owners discuss
What engine powers the Komatsu PC75R-2 with serial number 22E5200763 and up?
The machine uses a Komatsu 4D98E-1FB engine. This 3.3-liter unit delivers 68 hp (51 kW) net power. It is a turbocharged diesel designed for high reserve torque and reliability. The engine meets strict emissions standards for its production era (1999–2007). Verify the exact engine plate on the left side of the block or the data plate affixed to it to confirm the model code for your specific serial range. Have your dealer verify the engine specification against the factory spec sheet for serial 22E5200763 and up.
How does the hydraulic system behave, and what are common performance issues?
The PC75R-2 uses a Closed Load Sensing System (CLSS) hydraulic system. It features two selectable power modes: Power and Economy. Operators report excellent control and productivity, even with less experienced users. Common issues include loss of performance in one direction, which may indicate a faulty shock or relief valve. Slow response, jerky movements, or pump whining suggest worn seals or contaminated fluid. The system uses ORFS couplings for easier hose replacement. Check hydraulic oil condition and inspect hoses for leaks. Have your dealer verify hydraulic relief valve pressures.
What are the typical undercarriage wear patterns and track options?
The machine is available with 450 mm, 500 mm, or 600 mm steel tracks, or 450 mm rubber tracks. Undercarriage wear is a primary cost factor. Inspect tracks, rollers, sprockets, and idlers for uneven wear, loose tension, or cracked rollers. The standard track width is 450 mm. Undercarriage components can be expensive to replace. Check for excessive slop in pins and bushings, as worn castings are not always replaceable. Have your dealer verify undercarriage measurement and wear limits.
What are the known electrical and sensor quirks for this series?
Operators report issues with the boom position sensor system, which some disable due to damage from tree limbs or wiring harnesses. A common electrical fault involves the alternator causing erratic gauge behavior, such as losing the fuel gauge or coolant temperature reading. The ECU behind the seat may produce a ticking sound that stops after 10–15 seconds. Check earth straps, battery isolators, and wiring harnesses for damage or disconnection. Have your dealer verify the alternator output and sensor integrity.
What should be checked when buying a used PC75R-2 (S/N 22E5200763-Up)?
Inspect the engine for hard starting, excessive smoke, or knocking. Test all hydraulic functions (boom, stick, bucket, swing, travel) for smooth operation and pressure. Check undercarriage wear and track tension. Look for play in boom and bucket pins and inspect welds for cracks. Verify the condition of the wiring harness, as previous owners may have disconnected or damaged it. Check for oil leaks and ensure the machine hours are accurate. Have your dealer verify the machine's history and structural integrity.
What are the key dimensions and weight specifications for this model?
The operating weight is approximately 16,755 lb (7,600 kg). The transport length is 19 ft 231 in (5.875 m), width is 6 ft 81 in (2.05 m), and height is 8 ft 106 in (2.69 m). The standard operating length is 20 ft 244 in (6.2 m). The machine has a 25.5 ft (7.77 m) reach and a 13 ft 8 in (0.2 m) max digging depth. The swing speed is 10.2 RPM. These figures vary by configuration, series, and attachment package. Verify exact dimensions against the factory spec sheet for your serial range.
What fluids and lubricants are specified for this excavator?
Use Komatsu Genuine fluids or equivalents. For the engine, use Komatsu Diesel Engine Oil. For the hydraulic system, use Komatsu Hydraulic Oil. For the final drive and swing gear, use Komatsu Powertrain Oil. Coolant should be Komatsu Super-coolant AF-NAC. The hydraulic system uses ORFS couplings. Check the operation and maintenance manual for specific capacities and intervals. Have your dealer verify fluid specifications and capacities.
Compiled from owner and technician discussions across the industry — experiences vary by serial range and machine history.
Serial-range & configuration variants
This page covers the Komatsu PC75R-2(S/N 22E5200763-Up). Related factory variants of the same model family:
PC75R-2(S/N 22E5200001-Up)PC75R-2(S/N 22E5210001-Up)
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